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A high speed moving train has a momentum of 10,000,000 kilogramsâmeters per second. it later slows down to one half of its original velocity. what is its new momentum?
answered
Oct 6, 2018
Physics
high-school
6
votes
92.0k
views
The channel proteins ____ allow water to move into/out of a cell due to ____. A) vesicles; exocytosis B) sodium potassium pump; active transport C) aquaporins;osmosis
answered
Aug 18, 2018
Biology
college
5
votes
87.5k
views
In rabbits, white fur is a recessive trait. Based on this fact, what statement BEST describes this rabbit's genotype? A) It must have the genotype Bb. B) It is homozygous for fur color. C) It cannot have
answered
Aug 16, 2018
Biology
high-school
2
votes
8.3k
views
Jupiter,Saturn,Uranus and Neptune what is one reason why life probably does not exist on those four planets
answered
Apr 25, 2018
Biology
middle-school
3
votes
111k
views
In the early days of life on Earth, plants were exposed to extremely high doses of ultraviolet radiation. Constant UV exposure resulted in some land plants developing narrow leaves with thick, waxy cuticles.
answered
Mar 23, 2018
Biology
middle-school
6
votes
59.8k
views
joseph put water,sugar,and yeast into a balloon. Then he put the balloon in a warm place for 1 hour.which is most likeley to happen to the balloon
answered
Feb 13, 2018
Physics
high-school
3
votes
133k
views
1.what enabled people of Northern Italy to sponsor learning? A- Martin Luther's ideas. B- a mild climate. C- weather from trade. D- help from the German government 2.what did German leaders want during
answered
Feb 7, 2018
History
college
0
votes
74.2k
views
How Do I convert 3pi/4 to degrees?
answered
Jun 27, 2017
Mathematics
high-school
7
votes
46.6k
views
T. S. Elliott was a pediatrician true or false
answered
May 23, 2017
English
high-school
1
vote
68.8k
views
a dolphin emits ultrasound of 100kHz and uses the timings of reflection to determine the position of objects in the water. What is the wavelengths of this ultrasound? Note the speed of sound in water is
answered
Mar 2, 2017
Physics
college
5
votes
97.5k
views
0.06 is 10 times as great as
answered
Jan 16, 2017
Mathematics
high-school
3
votes
219k
views
What is the difference between vous chantez and vous ĂȘtes chantez?
answered
Jul 24, 2016
French
high-school
1
vote
122k
views
How how would scientist describe a sunset
answered
May 26, 2016
Physics
middle-school
5
votes
103k
views
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